@Override
public void onSaveInstanceState(Bundle outState){
    outState.putString("ID", "1234567890");
    super.onSaveInstanceState(outState);
}
    
//Za kasniji dohvat informacije
@Override
public void onRestoreInstanceState(Bundle savedInstanceState){
    super.onRestoreInstanceState(savedInstanceState);
    String ID = savedInstanceState.getString("ID");
}